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Earnings per share (Tables) | 12 Months Ended
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Dec. 31, 2019
Earnings per share |
Schedule of computation of basic and diluted EPS |
|  | Year Ended December 31,
|  | 2019 |  | 2018
Net income from continuing operations attributable to Consolidated Water Co. Ltd. stockholders |  | $ | 8,554,923 |  | $ | 10,177,662
Less: preferred stock dividends |  |  | (11,937) |  |  | (12,356)
Net income from continuing operations available to common shares in the determination of basic earnings per common share |  |  | 8,542,986 |  |  | 10,165,306
Total income from discontinued operations |  |  | 3,621,170 |  |  | 1,115,825
Net income available to common shares in the determination of basic earnings per common share |  | $ | 12,164,156 |  | $ | 11,281,131
Weighted average number of common shares in the determination of basic earnings per common share attributable to Consolidated Water Co. Ltd. common stockholders |  |  | 15,025,639 |  |  | 14,962,760
Plus: |  |  |  |  |  |
Weighted average number of preferred shares outstanding during the period |  |  | 33,983 |  |  | 35,125
Potential dilutive effect of unexercised options and unvested stock grants |  |  | 77,454 |  |  | 76,262
Weighted average number of shares used for determining diluted earnings per common share attributable to Consolidated Water Co. Ltd. common stockholders |  |  | 15,137,076 |  |  | 15,074,147

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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